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Fix query cycle when tracing explicit_item_bounds

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Matthew Jasper 2020-10-28 19:50:08 +00:00
parent ffe52882ed
commit 1f5c655d0c
2 changed files with 9 additions and 9 deletions
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2
compiler/rustc_middle/src/ty/print/pretty.rs
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@ -65,7 +65,7 @@ thread_local! {
/// Avoids running any queries during any prints that occur
/// during the closure. This may alter the appearance of some
/// types (e.g. forcing verbose printing for opaque types).
/// This method is used during some queries (e.g. `predicates_of`
/// This method is used during some queries (e.g. `explicit_item_bounds`
/// for opaque types), to ensure that any debug printing that
/// occurs during the query computation does not end up recursively
/// calling the same query.